libgender/entity.h

#ifndef ENTITY_H
#define ENTITY_H

#include <GL/gl.h>

#include <vector>

#include "util.h"
#include "oct.h"
#include "view.h"

using namespace std;

struct entity_base {
  struct entity_base *parent;
  sector orig;
  vector<octant *> o;
  box bbox;

  virtual void update_bbox ();
  virtual void show () { world.add (this); };
  void hide ();
  void display (draw_context &ctx);
  virtual void draw (draw_context &ctx) = 0;

  entity_base ();
  virtual ~entity_base ();
};

struct entity_container : entity_base, protected vector<entity_base *> {
  void add (entity_base *e) { push_back (e); e->parent = this; }
  void update_bbox ();
  void show ();
  void draw (draw_context &ctx);
  ~entity_container ();
};

struct entity_filter : entity_base {
protected:
  entity_base *e;
public:

  void set (entity_base *e)
  {
    this->e = e;
    e->parent = this;
  }

  void remove ()
  {
    this->e->parent = 0;
    this->e = 0;
  }

  entity_base *content () { return e; };

  void update_bbox ();
  void show ();
  void draw (draw_context &ctx);
  ~entity_filter ();
};

struct entity : entity_filter {
};

struct vertex1d {
  colour c; // colour
  point  p; // vertex
};

struct vertex2d {
  point p; // vertex
  vec3  n; // normal
  texc  t; // texture

  vertex2d () { };
  vertex2d (point p, vec3 n, texc t = texc()) : p(p), n(n), t(t) { };
};

struct entity_opengl : entity_base {
};

template<GLenum type>
struct entity_opengl1d : entity_opengl, vector<vertex1d> {
  void update_bbox ();
  void draw (draw_context &ctx);
};

template<GLenum type>
struct entity_opengl2d : entity_opengl, vector<vertex2d> {
  material m;
  GLuint list;

  void update_bbox ();
  void draw (draw_context &ctx);

  entity_opengl2d ()
  : list(0)
  {
  }

  ~entity_opengl2d ()
  {
    if (list)
      glDeleteLists (list, 1);
  }
};

typedef entity_opengl1d<GL_POINTS>         entity_points;
typedef entity_opengl1d<GL_LINES>          entity_lines;
typedef entity_opengl1d<GL_LINE_STRIP>     entity_line_strip;
typedef entity_opengl1d<GL_LINE_LOOP>      entity_line_loop;
typedef entity_opengl2d<GL_TRIANGLES>      entity_triangles;
typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_triangle_strip;
typedef entity_opengl2d<GL_TRIANGLE_FAN>   entity_triangle_fan;
typedef entity_opengl2d<GL_QUADS>          entity_quads;
typedef entity_opengl2d<GL_QUAD_STRIP>     entity_quad_strip;
typedef entity_opengl2d<GL_POLYGON>        entity_polygon;

struct entity_transform : entity_filter {
  gl_matrix m;

  entity_transform ();

  void update_bbox ();
  void show ();
  void draw (draw_context &ctx);
};

struct entity_anim : entity_transform {
  GLfloat vx, vy, vz;
  void draw (draw_context &ctx);
};

#endif


Revision:	1.12
Committed:	Sun Oct 3 23:59:30 2004 UTC (19 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.11:	+5 -0 lines
Log Message:	* empty log message *
#	Content
1	#ifndef ENTITY_H
2	#define ENTITY_H
3
4	#include <GL/gl.h>
5
6	#include <vector>
7
8	#include "util.h"
9	#include "oct.h"
10	#include "view.h"
11
12	using namespace std;
13
14	struct entity_base {
15	struct entity_base *parent;
16	sector orig;
17	vector<octant *> o;
18	box bbox;
19
20	virtual void update_bbox ();
21	virtual void show () { world.add (this); };
22	void hide ();
23	void display (draw_context &ctx);
24	virtual void draw (draw_context &ctx) = 0;
25
26	entity_base ();
27	virtual ~entity_base ();
28	};
29
30	struct entity_container : entity_base, protected vector<entity_base *> {
31	void add (entity_base *e) { push_back (e); e->parent = this; }
32	void update_bbox ();
33	void show ();
34	void draw (draw_context &ctx);
35	~entity_container ();
36	};
37
38	struct entity_filter : entity_base {
39	protected:
40	entity_base *e;
41	public:
42
43	void set (entity_base *e)
44	{
45	this->e = e;
46	e->parent = this;
47	}
48
49	void remove ()
50	{
51	this->e->parent = 0;
52	this->e = 0;
53	}
54
55	entity_base *content () { return e; };
56
57	void update_bbox ();
58	void show ();
59	void draw (draw_context &ctx);
60	~entity_filter ();
61	};
62
63	struct entity : entity_filter {
64	};
65
66	struct vertex1d {
67	colour c; // colour
68	point p; // vertex
69	};
70
71	struct vertex2d {
72	point p; // vertex
73	vec3 n; // normal
74	texc t; // texture
75
76	vertex2d () { };
77	vertex2d (point p, vec3 n, texc t = texc()) : p(p), n(n), t(t) { };
78	};
79
80	struct entity_opengl : entity_base {
81	};
82
83	template<GLenum type>
84	struct entity_opengl1d : entity_opengl, vector<vertex1d> {
85	void update_bbox ();
86	void draw (draw_context &ctx);
87	};
88
89	template<GLenum type>
90	struct entity_opengl2d : entity_opengl, vector<vertex2d> {
91	material m;
92	GLuint list;
93
94	void update_bbox ();
95	void draw (draw_context &ctx);
96
97	entity_opengl2d ()
98	: list(0)
99	{
100	}
101
102	~entity_opengl2d ()
103	{
104	if (list)
105	glDeleteLists (list, 1);
106	}
107	};
108
109	typedef entity_opengl1d<GL_POINTS> entity_points;
110	typedef entity_opengl1d<GL_LINES> entity_lines;
111	typedef entity_opengl1d<GL_LINE_STRIP> entity_line_strip;
112	typedef entity_opengl1d<GL_LINE_LOOP> entity_line_loop;
113	typedef entity_opengl2d<GL_TRIANGLES> entity_triangles;
114	typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_triangle_strip;
115	typedef entity_opengl2d<GL_TRIANGLE_FAN> entity_triangle_fan;
116	typedef entity_opengl2d<GL_QUADS> entity_quads;
117	typedef entity_opengl2d<GL_QUAD_STRIP> entity_quad_strip;
118	typedef entity_opengl2d<GL_POLYGON> entity_polygon;
119
120	struct entity_transform : entity_filter {
121	gl_matrix m;
122
123	entity_transform ();
124
125	void update_bbox ();
126	void show ();
127	void draw (draw_context &ctx);
128	};
129
130	struct entity_anim : entity_transform {
131	GLfloat vx, vy, vz;
132	void draw (draw_context &ctx);
133	};
134
135	#endif
136
137
138